MESON Chess Problem Database
Problem Display
PID: 92087 (8/pN6/4p3/3pk3/K2Nr3/3P1R2/1P2Qb2/n3B2r w - - 0 1)
Wielgos, Oskar
Schweizerische Arbeiter Schachzeitung, 1976
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Bc3#
- 1...Rxe2
- 2.Sc6#
- 1...Re3
- 2.Sc6#
- 1...Bxd4
- 2.Bg3#
- 1...Kxd4
- Tries
- 1.Ka3?
- threat
- 2.Sc6#
- 1...Kxd4
- 2.Bc3#
- 1...Bxd4
- 2.Bg3#
- 1...Sc2+!
- threat
- 1.Kb5?
- threat
- 2.Sc6#
- 1...Kxd4
- 2.Bc3#
- 1...Bxd4
- 2.Bg3#
- 1...a6+!
- threat
- 1.Bb4?
- threat
- 2.Sc6#
- 1...Kxd4
- 2.Bc3#
- 1...Bxd4
- 2.Bd6#
- 1...Rc1!
- threat
- 1.Rf5+?
- 1...Kxd4
- 2.Bc3#
- 1...exf5!
- 1...Kxd4
- 1.Ka3?
- Keys
- 1.b4!
- threat
- 2.Sc6#
- 1...Kxd4
- 2.Qb2#
- 1...Bxd4
- 2.Bg3#
- threat
- 1.b4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- K(f);N_SPINR(d),OGATEB,S_FLIGHT,XS(G)::B(A)
- R(d);N_PINS(G),N_SPINR(d),XQ(C)::S(G)
- R(d);N_PINS(G)::S(G)
- B(c);OGATE,SBLOCK,XS(G)::B(A)
- Tries
- Try
- K(F);N_SPINS(G),P-FLIGHT
- Threat
- S(G)
- Vars
- K(f);N_SPINR(d),OGATEB,S_FLIGHT,XS(G)::B(A)
- B(c);OGATE,SBLOCK,XS(G)::B(A)
- Refutation
- S(a);CHECK
- Try
- K(F);N_SPINS(G),S_FLIGHT
- Threat
- S(G)
- Vars
- K(f);N_SPINR(d),OGATEB,S_FLIGHT,XS(G)::B(A)
- B(c);OGATE,SBLOCK,XS(G)::B(A)
- Refutation
- P(h);CHECK
- Try
- B(A);N_SPINS(G)
- Threat
- S(G)
- Vars
- K(f);N_SPINR(d),OGATEB,S_FLIGHT,XS(G)::B(A)
- B(c);SBLOCK,XS(G)::B(A)
- Refutation
- R(b);
- Try
- R(E);CHECK
- Vars
- K(f);N_SPINR(d),S_FLIGHT,XS(G)::B(A)
- Refutation
- P(g);XR(E)
- Try
- Actual
- P(B);N_SPINS(G)
- Threat
- S(G)
- Vars
- K(f);N_SPINR(d),OGATEB,S_FLIGHT,XS(G)::QAB(C)
- B(c);OGATE,SBLOCK,XS(G)::B(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).